Which of the Following Examples Illustrates the Lowest Level of Politeness

Multiple Choice

Which of the following examples illustrates the lowest level of politeness in a message?

A) Please submit your campaign report by Friday.
B) Submit your campaign report by Friday at the latest.
C) Your campaign reports should be submitted by Friday.
D) Would you be able to submit your campaign report by Friday?
E) I request you to submit your campaign report by Friday.